scripts: Refactor system journal code in data collection script
scripts: Refactor system journal code in data collection script

Create a find_system_journal_problems() function that is called by
show_proxy_log_details() in the "cc-collect-data.sh" script.

Signed-off-by: James O. D. Hunt <348fbaadfbada55ea105602bf5609e23ac1c4898@intel.com>

devimc/runtime,chavafg/runtime,chavafg/runtime,clearcontainers/runtime,devimc/runtime,clearcontainers/runtime